Home / 621,790,573.54-933,008,653.32-253,595,651.62

Finding the Fourth Proportional to 621,790,573.54, 933,008,653.32 and 253,595,651.62

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Solution

The fourth proportional to 621,790,573.54, 933,008,653.32 and 253,595,651.62 is: 380,525,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,790,573.54 : 933,008,653.32 = 253,595,651.62 : x
  2. Step 2: Convert to fraction form
    621,790,573.54/933,008,653.32 = 253,595,651.62/x
  3. Step 3: Cross multiply
    621,790,573.54x = 933,008,653.32 × 253,595,651.62
  4. Step 4: Simplify right side
    621,790,573.54x = 236,606,937,405,784,096
  5. Step 5: Solve for x
    x = 236,606,937,405,784,096/621,790,573.54
  6. Step 6: Final answer
    x = 380,525,127.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.